AMD worked with Samsung, Hynix, and Qimonda to develop its implementation of GDDR5. It is the German-based Qimonda, however, who will be supplying the GDDR5 to AMD for the launch of the new Radeon graphics cards. Qimonda claims to have “already started mass production and the volume shipping of GDDR5 512Mbit components with a speed of 4.0Gbps to AMD”, despite having produced the first product samples only six months ago.

One of the more significant performance bottlenecks for GPUs is available graphics memory bandwidth. GDDR5’s higher speed interface and more efficient transaction and error correction response should help to get data to and from the GPU quicker.

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